Seiko Cal. 3898 - 906

The 3898-906 is a sought-after Spring Drive piece from Seiko's golden era. It features a Cream dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-d233180edaa4]

Also known as: World Timer, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1975

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